Something strange is happening in the small mountain town of Serenity, Tennessee. People going on routine errands never reach their destination. It's as if they simply disappear. Over the past few weeks, it's happened to five men and women, and now a child. The local police chief calls the FBI, and a team from the Special Crimes Unit is immediately sent in. Agents Lucas and Samantha Jordan, partners in work and in life, have very different abilities....